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Four Gas Calibration Mix or sometimes called a Quad Mix. Aluminum Cylinder 20.9% O2, 50% LEL CH4 Methane, 25ppm H2S, 50ppm CO Carbon Monoxide, balance N2. C-10 Regulator Required
Available in 58L or 34L Cylinders
34 Liter - 600-0050-001
58 Liter - 600-0050-000
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